Refactor & Clean Code

When to Use

• Code is correct but hard to read, modify, or extend
• Duplicated logic exists across multiple files
• Functions or classes have grown too large
• Preparing code for a new feature that requires structural changes
• After a rapid prototype that needs production-quality cleanup

Prerequisites

• Existing tests that cover the code to refactor (add tests first if missing)
• All tests passing before starting
• Code committed so you can revert if needed

Workflow

1. Identify Code Smells